Date of Evaluation	Trait	PTA	Reliability
Sep 2025	Calving Difficulty(Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.9% 3.3%	94% ( V High) 97% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.9% 3.3%	94% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	25.3%	90%
May 2025	Birth Size (Progeny expected to be born large or extra large)	25.8%	90%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.3 kg	84%
May 2025	Birth Weight (Expected progeny birth weight)	42.4 kg	84%
Sep 2025	Gestation (Days between conception and birth)	-2.80 days	99%
May 2025	Gestation (Days between conception and birth)	-2.76 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.02	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.01	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.12%	86%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.79%	85%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.9% 3.3%	94% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.9% 3.3%	94% 97%
Sep 2025	Birth Size	25.3%	90%
May 2025	Birth Size	25.8%	90%
Sep 2025	Birth Weight	42.3 kg	84%
May 2025	Birth Weight	42.4 kg	84%
Sep 2025	Gest	-2.80 days	99%
May 2025	Gest	-2.76 days	99%
Sep 2025	Mort	0.02	99%
May 2025	Mort	-0.01	99%
Sep 2025	Maternal Calving Difficulty	5.12%	86%
May 2025	Maternal Calving Difficulty	4.79%	85%

1,418 total progeny records from 296 dairy contemporary groups

( 14,874 herdmate records from 294 dairy contemporary groups)

254 progeny ( 1,712 herdmates) born to heifers
369 progeny ( 3,752 herdmates) born to 2nd parity dam
795 progeny ( 9,410 herdmates) born to ≥3rd parity dam
27.8% progeny (43.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 87.4%, FR: 10.1%, JE: 0.7%, NR: 0.1%, OTHER: 0.4%	HO: 84.6%, FR: 12.0%, JE: 1.0%, NR: 0.2%, OTHER: 0.6%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.6% 2.8% 2.8%	6.7% 2.7% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	765 Days 1146 Days 2147 Days	766 Days 1140 Days 2183 Days

41 total progeny records from 10 contemporary groups

( 546 herdmate records from 10 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 84.4%, FR: 13.2%, JE: 0.5%, NR: 0.0%, OTHER: 0.2%	HO: 82.5%, FR: 14.6%, JE: 0.7%, NR: 0.1%, OTHER: 0.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	22% 21.8% 20.4%	21% 20.1% 20.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.8kg 41.9kg 41.7kg	41.3kg 41.5kg 41.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	726 Days 1107 Days 2285 Days	743 Days 1120 Days 2140 Days

16 total progeny records from 3 contemporary groups

( 311 herdmate records from 3 contemporary groups)